- Born on January 24, 1730
- Baptized on March 7, 1730
- Deceased on December 11, 1809, at the age of 79 years
Parents
- Charles César de Flahault de La Billarderie (1668 - 1743), seigneur de La Billarderie, lieutenant-général des armées du Roi
- Odile de Cœuret de Nesle (1700 - 1734)
Family
- Married in 1782, with Élisabeth-Josèphe de Laborde (1725 - 1808), baronne de Marchais